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// VirtualDub - Video processing and capture application
// Graphics support library
// Copyright (C) 1998-2009 Avery Lee
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#ifndef f_VD2_KASUMI_UBERBLIT_INTERLACE_H
#define f_VD2_KASUMI_UBERBLIT_INTERLACE_H
#include "uberblit_base.h"
class VDPixmapGen_SplitFields : public IVDPixmapGen {
public:
void AddWindowRequest(int minDY, int maxDY) {
mpSrc->AddWindowRequest(minDY*2, maxDY*2+1);
}
void Start() {
mpSrc->Start();
}
sint32 GetWidth(int) const { return mWidth; }
sint32 GetHeight(int idx) const { return mHeight[idx]; }
bool IsStateful() const {
return false;
}
uint32 GetType(uint32 output) const {
return mpSrc->GetType(mSrcIndex);
}
const void *GetRow(sint32 y, uint32 index) {
return mpSrc->GetRow(y+y+index, mSrcIndex);
}
void ProcessRow(void *dst, sint32 y) {
memcpy(dst, GetRow(y, 0), mBpr);
}
void Init(IVDPixmapGen *src, uint32 srcindex, uint32 bpr) {
mpSrc = src;
mSrcIndex = srcindex;
mBpr = bpr;
mWidth = src->GetWidth(srcindex);
uint32 h = src->GetHeight(srcindex);
mHeight[0] = (h + 1) >> 1;
mHeight[1] = h >> 1;
}
protected:
IVDPixmapGen *mpSrc;
uint32 mSrcIndex;
sint32 mWidth;
sint32 mHeight[2];
uint32 mBpr;
};
class VDPixmapGen_MergeFields : public IVDPixmapGen {
public:
void AddWindowRequest(int minDY, int maxDY) {
mpSrc[0]->AddWindowRequest(minDY >> 1, maxDY >> 1);
mpSrc[1]->AddWindowRequest(minDY >> 1, maxDY >> 1);
}
void Start() {
mpSrc[0]->Start();
mpSrc[1]->Start();
}
sint32 GetWidth(int) const { return mWidth; }
sint32 GetHeight(int) const { return mHeight; }
bool IsStateful() const {
return false;
}
uint32 GetType(uint32 output) const {
return mpSrc[0]->GetType(mSrcIndex[0]);
}
const void *GetRow(sint32 y, uint32 index) {
int srcIndex = y & 1;
return mpSrc[srcIndex]->GetRow(y >> 1, mSrcIndex[srcIndex]);
}
void ProcessRow(void *dst, sint32 y) {
memcpy(dst, GetRow(y, 0), mBpr);
}
void Init(IVDPixmapGen *src1, uint32 srcindex1, IVDPixmapGen *src2, uint32 srcindex2, uint32 w, uint32 h, uint32 bpr) {
mpSrc[0] = src1;
mpSrc[1] = src2;
mSrcIndex[0] = srcindex1;
mSrcIndex[1] = srcindex2;
mWidth = w;
mHeight = h;
mBpr = bpr;
}
protected:
IVDPixmapGen *mpSrc[2];
uint32 mSrcIndex[2];
sint32 mWidth;
sint32 mHeight;
uint32 mBpr;
};
#endif
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